Vulnerability · Published Apr 29, 2025 · Assigned by GitHub_M

CVE-2025-46349YesWiki Vulnerable to Unauthenticated Reflected Cross-site Scripting

High 7.6

In plain English

A high-severity cross-site scripting in yeswiki from YesWiki. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei.

Severity (CVSS 3.1)7.6High
Exploit odds (30 days)0.6%top 49.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack tooling1Nuclei

Official description

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, YesWiki is vulnerable to reflected XSS in the file upload form. This vulnerability allows any malicious unauthenticated user to create a link that can be clicked on by the victim to perform arbitrary actions. This issue has been patched in version 4.5.4.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistyeswiki/yeswikino fix listedGHSA-2f8p-qqx2-gwr2

Affected products (as reported)

VendorProductVersions
YesWiki yeswiki < 4.5.4

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L

References